National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Critical Fire Weather in the Southern Plains

Severe thunderstorms will persist tonight across the Middle Mississippi Valley, producing damaging winds, large to very large hail and several tornadoes. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

56°F

13°C

Humidity 53%
Wind Speed NA
Barometer 30.24 in (1023.9 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 27 Apr 11:53 pm EDT
Extended Forecast for

Gwynn Oak MD

  • Tonight

    Tonight: Mostly clear, with a low around 46. Southeast wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers, mainly between 1pm and 5pm. Mostly cloudy, with a high near 64. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 50. Southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 5pm. High near 65. Southeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 48. Southeast wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 8am. Mostly sunny, with a high near 62. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Southeast wind 5 to 8 mph, with gusts as high as 18 mph.
Tuesday
A chance of showers, mainly between 1pm and 5pm. Mostly cloudy, with a high near 64. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 50. Southeast wind around 7 mph. Chance of precipitation is 30%.
Wednesday
Showers, with thunderstorms also possible after 5pm. High near 65. Southeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 48. Southeast wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%.
Thursday
A chance of showers, mainly before 8am. Mostly sunny, with a high near 62. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 62.
Friday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Saturday
A chance of showers after 8am. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gwynn Oak MD
 39.3°N 76.72°W (Elev. 400 ft)
Last Update:
10:53 pm EDT Apr 27, 2026
Forecast Valid:
11pm EDT Apr 27, 2026-6pm EDT May 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation